English: Early color photograph from Russia, created by Sergei Mikhailovich Prokudin-Gorskii as part of his work to document the Russian Empire from 1909 to 1915. A w: steam locomotive type A_b-132, later reclassified as B51 (А_Б132, позднее Б51 -- cycillic characters) with a Schmidt boiler on the railroad between Perm and Yekaterinburg in the w:Ural Mountains region in the far eastern part of European Russia. Built at the Bryansk factory, these B-series locomotives were designed for hauling high-speed passenger trains, and, until 1912, were the fastest locomotives on the Russian railways (125 km/hr).